package com.rescue.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class CharactorFilter implements Filter {
String encoding =null;
    @Override
	public void destroy() {
		encoding=null;
	}
    @Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		if(encoding!=null) {
			request.setCharacterEncoding(encoding);
			response.setContentType("text/html;charset="+encoding);
		}
		chain.doFilter(request, response);
	}
    @Override
	public void init(FilterConfig fConfig) throws ServletException {
		encoding=fConfig.getInitParameter("encoding");
	}
}
